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Amateur astronomer captures a supernova’s 1st light
Supernovae - exploding stars - are unpredictable. But an amateur astronomer in Argentina happened to catch one just as it began to explode. "It's like winning the cosmic lottery," one astronomer said.
February 21, 2018
Will you see the Humanity Star?
The debate surrounding the Humanity Star. Is it possible to see? Can you see it from your location? How to try to see it, if it's visible, here.
February 20, 2018
See it! Partial solar eclipse
View photos of the February 15, 2018 partial solar eclipse, which was visible from South America.
February 16, 2018
The periodic table song
The complete periodic table of elements ... in song! From the guys at AsapSCIENCE, it's their 2018 version. Enjoy.
February 16, 2018
Watch ISS spacewalk Thursday
2 International Space Station (ISS) astronauts will perform a spacewalk on February 15. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at 12:10 UTC (7:10 a.m. EST) and lasts about 6 hours.
February 13, 2018
Future cities built with volcanic ash?
After water, concrete is the world's most-used building material. MIT researchers worked with volcanic ash as a concrete additive and substantially reduced building costs.
February 11, 2018
Day Zero approaches as Cape Town’s water runs out
Cape Town - the South African city of 3.7 million people - is on the verge of running out of water. Day Zero is the day the taps will get turned off.
February 11, 2018
Where is Elon Musk’s car going?
It was meant to go into an orbit that would take it past Mars, but where's it going really? Plus, see outer space from the vantage point of Starman, the mannequin in Elon Musk's red Tesla Roadster, and much more.
February 10, 2018
What is radiocarbon dating?
At a very steady rate, unstable carbon-14 gradually decays to carbon-12. The ratio of these carbon isotopes reveals the ages of some of Earth's oldest inhabitants.
February 9, 2018
View of Winter Olympics from space
Ready for the Olympics? Here's a look at the sites of the 2018 Winter Games, the South Korean cities of Pyeongchang and Gangneung, from above.
February 8, 2018
